Wakasa Oniga Castle

Wakasa Oniga Castle - Credit: Wikimedia Commons

was a Sengoku period mountain-top Japanese castle located in what is now the town of Wakasa, Tottori Prefecture, in the San'in region of Japan. The ruins of the castle were designated a National Historic Site in 2008. Read more on Wikipedia

type: military structure
date from: 13C

Source: en.wikipedia.org